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Johnson 48 in. Aluminum Magnetic I-Beam Level 4 vial

Magnetic edge frees up your hands while four vials keep framing, decking, and layout work dead-on accurate.
Johnson MPN 1254-4800 In Stock & Ready to Ship
$79.98
$39.99 each · sold by the case of 2 Ships oversize · details below
Cases of 2 · Order in multiples of 2
Ships oversize Bulky items take a full box even when they’re light, so shipping runs more than a small parcel. Big and bulky? This is one to grab locally — no box, no shipping. Check your local store below ↓

Sold by the Case

$79.98 per case of 2

Save $12.00 on orders $75+. Spend $75 or more to unlock 15% off every case — applied automatically at checkout.

Ships as a complete case of 2. Ships oversize — not eligible for free shipping.

About Product Overview

The I-Beam design on this Johnson level gives you a rigid, lightweight frame that resists twisting when you're checking long runs of framing, decking, or countertops. Built-in magnets let you set it on steel studs or angle iron and keep both hands free for marking or adjusting. Four vials cover level, plumb, and slope readings, so one tool handles most layout jobs on a job site.

  • Material: Aluminum I-beam construction
  • Length: 48 inches
  • Accuracy: 0.029
  • Vials: 4, for level and plumb readings
  • Magnetic edge for hands-free use on steel

The Details Specifications

Brand Johnson
Model / MPN 1254-4800
UPC 049448125449
Weight 6 lbs
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

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On Amazon, start with these four questions before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Johnson. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Johnson

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Why we built NHG
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